<?xml version="1.0" encoding="UTF-8"?>
<definitions id="definitions"
  xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" 
  xmlns:camunda="http://camunda.org/schema/1.0/bpmn" 
  targetNamespace="Examples">

  <process id="invalidExpression" isExecutable="true">

    <startEvent id="start" />
    
    <sequenceFlow sourceRef="start" targetRef="task" />
    
    <userTask id="task" camunda:assignee="${}" />
    
    <sequenceFlow sourceRef="task" targetRef="end" />
    
    <endEvent id="end" />

  </process>

</definitions>